Tag: China

A Wave of the Future: International Linkage of National Climate Change Policies

The latest rage in Washington policy discussions these days (that’s relevant to climate change) is renewed interest in renewable electricity standards, this time in the form of so-called “clean energy standards.”  I’ve written about this policy approach recently at this blog (Renewable Energy Standards: Less Effective, More Costly, but Politically Preferred to Cap-and-Trade?, January 11, 2011), and will do so again in the near future, but for today I want to turn to an important issue – for the long term – on the related topic of the international dimensions of climate change policy.

The Current State of Affairs

Despite the death in the U.S. Senate last year of serious consideration of an economy-wide cap-and-trade system for carbon dioxide (CO2) emissions – and the apparent political hiatus of such consideration at least until after the November 2012 elections – a major cap-and-trade system for greenhouse gas (GHG) emissions is in place in the European Union; similar systems are in place or under development in New Zealand, California, and several Canadian provinces; systems are being considered at the national level in Australia, Canada, and Japan; and a global emission reduction credit scheme – the Clean Development Mechanism (CDM) – has an enthusiastic and important constituency of supporters in the form of the world’s developing countries.

So, despite the fact that there has been an undeniable loss of momentum due to recent political developments in Australia, Japan, and the United States, it remains true that cap-and-trade is still the most likely domestic policy approach for CO2 emissions reductions throughout the industrialized world, given the rather unattractive set of available alternative approaches.  This makes it important to think about the possibility of linking these national and regional cap-and-trade systems in the future.  Such linking occurs when the government that maintains one system allows regulated entities to use allowances or credits from other systems to meet compliance obligations.

Thinking About Linkage

In 2007, with support from the International Emissions Trading Association (IETA) and the Electric Power Research Institute (EPRI), Judson Jaffe and I analyzed the opportunities and challenges presented by linking tradable permit systems.  Jaffe was then at Analysis Group in Boston, and is now at the U.S. Department of the Treasury.  We presented our findings at the thirteenth Conference of the Parties of the U.N. Framework Convention on Climate Change in Bali, Indonesia, in December, 2007.  In 2010, Matthew Ranson (a Ph.D. student in Public Policy at Harvard), Jaffe, and I expanded on these ideas in an article that was published in Ecology Law Quarterly, “Linking Tradable Permit Systems:  A Key Element of Emerging International Climate Policy.” In today’s blog post, I summarize the highlights of this complex, yet important topic.

First, for anyone new to this territory, let me review the basic facts.  Tradable permit systems fall into two categories:  cap-and-trade and emission reduction credits.  Under cap-and-trade (CAT), the total emissions of regulated sources are capped and the sources are required to hold allowances equal to their emissions.  Under a credit system, entities that voluntarily undertake emission reduction projects are awarded credits that can be sold to participants in cap-and-trade systems.

The Merits of Linking

By broadening markets for allowances and credits, linking increases the liquidity and improves the functioning of markets.  Linking can reduce the costs of the linked systems by making it possible to shift emission reductions across systems.  Just as allowance trading within a system allows higher-cost emission reductions to be replaced by lower-cost reductions, trading across systems allows higher-cost reductions in one system to be replaced by lower-cost reductions in another system.

Other Implications

Along with the cost savings it can offer, linking has other implications that warrant serious consideration.  Under some circumstances, linked systems collectively will not achieve the same level of emission reductions as they would absent linking.  This can result either from a link’s impact on emissions under the linked systems, or from its impact on emissions leakage from those systems.  Linking also has distributional impacts across and within systems.  And linking can reduce the control that a country has over the impacts of its tradable permit system.  In particular, when a domestic CAT system is linked with another CAT system, decisions by the government overseeing the other system can influence the domestic system’s allowance price, distributional impacts, and emissions.

By the way, linkage can also occur among a heterogeneous set of domestic policy instruments, including carbon taxes and various types of regulation, although the linking is more challenging under such circumstances.  On this, see “Linking Policies When Tastes Differ: Global Climate Policy in a Heterogeneous World,” a discussion paper by Gilbert Metcalf, Department of Economics, Tufts University,  and David Weisbach, University of Chicago Law School, for the Harvard Project on Climate Agreements.

Concerns About Linking

Importantly, trading brought about by unrestricted links between CAT systems will lead to the automatic propagation of certain design elements, including:  offset provisions and linkages with other systems; banking and borrowing of allowances across time; and safety-valve provisions.  If these provisions, sometimes characterized as cost-containment measures, are present in one of the linked systems, they will automatically be made available to participants in the other system.

In the near-term, some links will be more attractive and easier to establish than others.  Given the design-element propagation implications of two-way links between cap-and-trade systems, to facilitate such links it may be necessary to harmonize some design elements.  And in some cases, it may be necessary to establish broader international agreements governing aspects of the design of linked cap-and-trade systems beyond mutual recognition of allowances.

An Emerging De Facto International Climate Policy Architecture?

Whereas some two-way links between cap-and-trade systems may thus take more time to establish, in the near-term one-way links between cap-and-trade and credit systems likely will be more attractive and easier to establish.  A one-way link with a credit system may offer a cap-and-trade system greater cost savings than a two-way link with another cap-and-trade system.  Also, such one-way links can only reduce allowance prices in the cap-and-trade system, giving a government greater control over its system than if it established a two-way link with another cap-and-trade system.  The additionality problem is an important concern associated with such links, but it can be managed – to some degree – through the criteria established for awarding or recognizing credits.

Most important, if emerging cap-and-trade systems link with a common credit system, such as the CDM, this will create indirect links among the cap-and-trade systems.  Through the indirect links that they create, such one-way linkages can achieve much of the near-term cost savings and risk diversification that direct two-way links among cap-and-trade systems would achieve.  And they can do this without requiring the same foundation that likely would be needed to establish direct two-way links, such as harmonization of cost-containment measures.  Such linkage may well emerge as part of the de facto post-Kyoto international climate policy architecture, and is fully consistent with the bottom-up, decentralized approach of the Cancun Agreements.

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For much more detailed discussions, here are some publications available on the web that describe various aspects of linkage:

Jaffe, Judson, Matthew Ranson, and Robert Stavins.  “Linking Tradable Permit Systems:  A Key Element of Emerging International Climate Policy Architecture.” Ecology Law Quarterly 36(2010):789-808.

Jaffe, Judson, and Robert Stavins.  “Linkage of Tradable Permit Systems in International Climate Policy Architecture.” The Harvard Project on International Climate Agreements, Discussion Paper 08-07, Cambridge, Massachusetts, September, 2008.

Jaffe, Judson, and Robert Stavins. Linking a U.S. Cap-and-Trade System for Greenhouse Gas Emissions: Opportunities, Implications, and Challenges. Washington, D.C.: AEI-Brookings Joint Center for Regulatory Studies, January 2008.

Jaffe, Judson, and Robert Stavins.  Linking Tradable Permit Systems for Greenhouse Gas Emissions: Opportunities, Implications, and Challenges. Prepared for the International Emissions Trading Association, Geneva, Switzerland. November, 2007.

Also, this issue of linkage among tradable permit systems has come up previously in a number of my essays at this blog:

AB 32, RGGI, and Climate Change: The National Context of State Policies for a Global Commons Problem

The Real Options for U.S. Climate Policy

What Hath Copenhagen Wrought? A Preliminary Assessment of the Copenhagen Accord

Only Private Sector Can Meet Finance Demands of Developing Countries

Approaching Copenhagen with a Portfolio of Domestic Commitments

Worried About International Competitiveness? Another Look at the Waxman-Markey Cap-and-Trade Proposal

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Reflecting on a Century of Progress and Problems

As the first decade of the twenty-first century comes to a close, the problem of the commons is more important to our lives – and more central to economics – than a century ago when the first issue of the American Economic Review appeared, with an examination by Professor Katharine Coman of Wellesley College of “Some Unsettled Problems of Irrigation” (1911).  Since that time, 100 years of remarkable economic progress have accompanied 100 years of increasingly challenging problems.

As the U.S. and other economies have grown, the carrying-capacity of the planet – in regard to natural resources and environmental quality – has become a greater concern, particularly for common-property and open-access resources.  In an article that appears in the 100th anniversary issue of the American Economic Review (AER) – “The Problem of the Commons:  Still Unsettled After 100 Years” – I focus on some important, unsettled problems of the commons.

100 Years of Economic Progress and More Challenging Environmental Problems

Within the realm of natural resources, there are special challenges associated with renewable resources, which are frequently characterized by open-access.  An important example is the degradation of open-access fisheries.  Critical commons problems are also associated with environmental quality, including the ultimate commons problem of the twenty-first century – global climate change.

Small communities frequently provide modes of oversight and methods for policing their citizens, a topic about which Professor Elinor Ostrom of Indiana University has written extensively.  But as the scale of society has grown, commons problems have spread across communities and even  across nations.  In some of these cases, no over-arching authority can offer complete control, rendering commons problems more severe.

Although the type of water allocation problems of concern to Coman have frequently been addressed by common-property regimes of collective management, less easily governed problems of open-access are associated with growing concerns about air and water quality, hazardous waste, species extinction, maintenance of stratospheric ozone, and – most recently – the stability of the global climate in the face of the steady accumulation of greenhouse gases.

Whereas common property resources are held as private property by some group, open-access resources are non-excludable.  My article in the AER focuses exclusively on the latter, and thereby reflects on some important, unsettled problems of the commons.  It identifies both the contributions made by economic analysis and the challenges facing public policy.

The article begins with natural resources, highlighting the difference between most non-renewable natural resources, pure private goods that are both excludable and rival in consumption, and renewable natural resources, many of which are non-excludable.

Some of these are rival in consumption but characterized by open-access.  An example is the degradation of ocean fisheries. An economic perspective on these resources helps identify the problems they present for management, and provides guidance for sensible solutions.

The article then turns to a major set of commons problems that were not addressed until the last three decades of the twentieth century – environmental quality.  Although frequently characterized as textbook examples of externalities, these problems can also be viewed as a particular category of commons problems:  pure public goods, that are both non-excludable and non-rival in consumption.

A key contribution of economics has been the development of market-based approaches to environmental protection, including emission taxes and tradable rights.  These have potential to address the ultimate commons problem of the twenty-first century, global climate change.

Themes That Emerge

First, economic theory – by focusing on market failures linked with incomplete systems of property rights – has made major contributions to our understanding of commons problems and the development of prudent public policies.

Second, as our understanding of the commons has become more complex, the design of economic policy instruments has become more sophisticated, enabling policy makers to address problems that are characterized by uncertainty, spatial and temporal heterogeneity, and long duration.

Third, government policies that have not accounted for economic responses have been excessively costly, often ineffective, and sometimes counter-productive.

Fourth, commons problems have not diminished.  While some have been addressed successfully, others have emerged that are more important and more difficult.

Fifth, environmental economics is well positioned to offer better understanding and better policies to address these ongoing challenges.

Conclusions

Although I hope you will read the full article – which is very accessible — I will summarize its conclusions here.

Problems of the commons are both more widespread and more important today than when Coman wrote about unsettled problems in the first issue of the American Economic Review 100 years ago.  A century of economic growth and globalization have brought unparalleled improvements in societal well-being, but also unprecedented challenges to the carrying-capacity of the planet.  What would have been in 1911 inconceivable increases in income and population have come about and have greatly heightened pressures on the commons, particularly where there has been open access to it.

The stocks of a variety of renewable natural resources – including water, forests, fisheries, and numerous other species of plant and animal – have been depleted below socially efficient levels, principally because of poorly-defined property-right regimes.  Likewise, the same market failures of open-access – whether characterized as externalities, following A. C. Pigou (1920), or public goods, following Ronald Coase (1960) – have led to the degradation of air and water quality, inappropriate disposal of hazardous waste, depletion of stratospheric ozone, and the atmospheric accumulation of greenhouse gases linked with global climate change.

Over this same century, economics – as a discipline – has gradually come to focus more and more attention on these commons problems, first with regard to natural resources, and more recently with regard to environmental quality.  Economic research within academia and think tanks has improved our understanding of the causes and consequences of excessive resource depletion and inefficient environmental degradation, and thereby has helped identify sensible policy solutions.

Conventional regulatory policies, which have not accounted for economic responses, have been excessively costly, ineffective, or even counter-productive.  The problems behind what Garrett Hardin (1968) characterized as the “tragedy of the commons” might better be described as the “failure of commons regulation.”  As our understanding of the commons has become more complex, the design of economic policy instruments has become more sophisticated.

Problems of the commons have not diminished, and the lag between understanding and action can be long.  While some commons problems have been addressed successfully, others continue to emerge.  Some – such as the threat of global climate change – are both more important and more difficult than problems of the past.

Fortunately, economics is well positioned to offer better understanding and better policies to address these ongoing challenges.  As the first decade of the twenty-first century comes to a close, natural resource and environmental economics has emerged as a productive field of our discipline and one that shows even greater promise for the future.

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Why Cancun Trumped Copenhagen

As we begin the year 2011, a look back at 2010 confirms that the greatest environmental achievement of the past year was the success that was achieved at the Sixteenth Conference of the Parties (COP-16) of the United Nations Framework Convention on Climate Change (UNFCCC) in Cancun, Mexico, in early December.  I wrote about this in some detail in my December 13th essay, “What Happened (and Why): An Assessment of the Cancun Agreements.”

The challenges awaiting delegates later this year (December, 2011) at COP-17 in Durban, South Africa, will be tremendous, particularly in regard to trying to negotiate the massive divide that exists between most Annex I countries and virtually all non-Annex I countries on the fate of a second (post-2012) commitment period for the Kyoto Protocol.

However, on this first day of 2011, it may be helpful to reflect again on the recent success in Cancun, and ask – in particular – why it occurred, because understanding that could provide some valuable lessons for the organizers and hosts of COP-17 in Durban.  This was the question I addressed in a brief December 20th Op-Ed in The Christian Science Monitor, and so rather than attempting to summarize or expand it, I simply reproduce it below.

The Christian Science Monitor

Why Cancun trumped Copenhagen: Warmer relations on rising temperatures

By Robert N. Stavins
December 20, 2010

Boston —

After the modest results of the climate change talks in Copenhagen a little more than a year ago, expectations were low for the follow-up negotiations in Cancun last month. Gloom-and-doom predictions dominated.

But a funny thing happened on the way to that much-anticipated failure: During two intense weeks of discussions in the Mexican resort that wrapped up at 3 AM on Dec. 12, the world’s governments quietly achieved consensus on a set of substantive steps forward. And equally important, the participants showed encouraging signs of learning to navigate through the unproductive squabbling between developed and developing countries that derailed the Copenhagen talks.

Unprecedented first steps

The tangible advances were noteworthy: The Cancun Agreements set emissions mitigation targets for some 80 countries, including all the major economies. That means that the world’s largest emitters, among them China, the United States, the European Union, India, and Brazil, have now signed up for targets and actions to reduce emissions by 2020.

The participating countries also agreed – for the first time in an official United Nations accord – to keep temperature increases below a global average of 2 degrees Celsius. Yes, that goal is no more stringent than the one set out in Copenhagen, but this time, the participating nations formally accepted the goals; a year earlier, they merely “noted” them, without adopting the accord.

Other provisions establish a “Green Climate Fund” to finance steps to limit and adapt to climate change, and designate the World Bank as interim trustee, over the objections of many developing countries. And new initiatives will protect tropical forests, and find ways to transfer clean energy technology to poorer countries.

The Cancun Agreements on their own are clearly not sufficient to keep temperature increases below 2 degrees Celsius, but they are a valuable step forward in the difficult process of constructing a sound foundation for meaningful, long-term global action.

Small steps vs. global accords

The progress was as much about changing the mindset of how to tackle climate disruption. Significantly, the Cancun agreement blurs the distinction between industrialized and developing countries – a vital step to break through the rich-poor divide that has held up progress for years. The 1997 Kyoto Protocol assigned emission targets only to the 40 countries thought to be part of the industrialized world, which left the more than 140 nations of the developing world without any commitments. But today, more than 50 of those so-called developing countries have higher per capita income than the poorest of the countries with emission-reduction responsibilities under Kyoto.

Implicitly, the process in Cancun also recognizes that smaller, practical steps – some of which are occurring outside the United Nations climate process – are going to be more easily achievable, and thus more effective, than holding out for some overarching thunderclap in a global accord.

The parallel processes of multilateral discussions on climate change policy, including the G20 meetings and the Major Economies Forum, have been useful. For the first time at Cancun, the UN Framework Convention on Climate Change, under the new leadership of Executive Secretary Christiana Figueres, offered a positive and pragmatic approach toward embracing these parallel processes.

Fixing the past (and future)

The Kyoto Protocol, which essentially expires at the end of 2012, is fundamentally flawed, especially in dividing the world into competing economic camps. At Cancun, it was encouraging to hear fewer people holding out for a commitment to another phase of the Kyoto Protocol. It was politically impossible to spike the idea of extending the Kyoto agreement entirely, but at least it was punted to the next gathering in Durban, South Africa, a year from now. Otherwise, the Cancun meeting could have collapsed amid acrimony and recriminations.

Usefully, the Cancun Agreements recognize directly and explicitly two key principles:

1) All countries must recognize their historic emissions (read, the industrialized world); and

2) All countries are responsible for their future emissions (think of those with fast-growing emerging economies).

This also helps move beyond the old Kyoto divide.

A better dialogue

An essential goal in Cancun was for the parties to maintain sensible expectations and develop effective plans. That they met this challenge owes in good measure to the careful and methodical planning by the Mexican government, and to the tremendous skill of Mexican Foreign Minister Patricia Espinosa in presiding over the talks.

For example, at a critical moment she took note of objections from Bolivia and a few other leftist states, and then ruled that the support of the 193 other countries meant that consensus had been achieved and the Cancun Agreements had been adopted. She pointed out that “consensus does not mean unanimity.” Compare that with Copenhagen, where the Danish prime minister allowed objections by five small countries to derail the talks.

Mexico’s adept leadership also made sure smaller countries were able to contribute fully and join any meetings they wanted, avoiding the sense of exclusivity that alienated some parties in Copenhagen. That’s a sign that Mexico is one of the key “bridging states” that have credibility in both worlds. Another is South Korea. They will need to play key roles going forward.

It’s also vital to note that China and the United States set a civil, productive tone, in contrast to the Copenhagen finger-pointing. From the sidelines in Cancun, I can vouch for the tremendous increase in openness of members of the Chinese delegation.

The acceptance of the Cancun Agreements suggests that the international community may now recognize that incremental steps in the right direction are better than acrimonious debates over unachievable targets.

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